A-B 1747L551 SLC 500 Processor Module

Allen-Bradley 1747-L551 SLC 500 Processor Module

Product Description

The Allen-Bradley 1747-L551 is an SLC 5/05 Processor Module designed for the SLC 500 programmable controller platform. It provides PLC processing, program storage, and Ethernet/RS-232 communication capabilities for industrial automation applications. The module is commonly used in legacy control systems for machine automation, process control, and factory equipment.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1747-L551
• Product Type: SLC 500 Processor Module
• Series: SLC 5/05
• Processor Type: SLC 5/05 Controller
• User Memory: 16 KB
• Communication Ports:
  • Ethernet
  • RS-232 Serial Port
• Programming Software: RSLogix 500
• I/O Capacity: Up to 4096 discrete I/O
• Analog I/O Capacity: Up to 480 channels
• Mounting: SLC 500 chassis slot mounting
• Operating Temperature: 0…60 °C
• Power Supply: Supplied through SLC chassis backplane
• Country of Origin: Singapore (manufacturer listing)

Advantages & Features

• Integrated PLC CPU and control processing capability
• Built-in Ethernet communication for network integration
• RS-232 serial communication support
• Reliable operation in industrial automation environments
• Compatible with SLC 500 I/O modules and chassis systems
• Suitable for replacement and maintenance of existing legacy systems
• Flash memory supports program storage and updates

Applications

• Factory automation systems
• Machine control equipment
• Packaging machinery
• Process control systems
• Material handling systems
• Industrial production lines
• Legacy PLC system upgrades and maintenance

Notes / Precautions

• Requires compatible SLC 500 chassis and power supply
• Verify firmware revision before replacement
• Confirm Ethernet network configuration before commissioning
• Program backup is recommended before replacement
• This model has been discontinued by Rockwell Automation; verify compatibility when replacing existing systems